Numerical simulation of hybrid composite tubes under oblique compression

Purpose – An energy-absorbing device is an important tool that is capable of increasing the survivability of passengers in vehicles. Generally, empty metallic tubes are used, and it is found that the energy absorption capability is lower than the energy obtained using composite materials. Therefore,...

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Main Authors: Ismail, Al Emran, Nezere, N.
Format: Article
Language:English
Published: Emerald Insight 2017
Subjects:
Online Access:http://eprints.uthm.edu.my/3405/
http://eprints.uthm.edu.my/3405/1/AJ%202017%20%2833%29%20Numerical%20simulation%20of%20hybrid%20composite.pdf
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author Ismail, Al Emran
Nezere, N.
author_facet Ismail, Al Emran
Nezere, N.
author_sort Ismail, Al Emran
building UTHM Institutional Repository
collection Online Access
description Purpose – An energy-absorbing device is an important tool that is capable of increasing the survivability of passengers in vehicles. Generally, empty metallic tubes are used, and it is found that the energy absorption capability is lower than the energy obtained using composite materials. Therefore, this paper numerically presents the crushing performances of hybrid tubes under axial and oblique compressions. Design/methodology/approach – Three important parameters are used such as fiber thicknesses, fiber orientations and oblique compression angles. Epoxy-reinforced fibers are wrapped around the steel tubes and it is then modeled numerically using the ANSYS finite element program. Belytscho – Tsay shell element is used to model the composites, while a bilinear kinematic hardening model is used to model the steel tube. A proper contact algorithm is implemented to prevent interpenetration among elements and surfaces. Findings – A proper contact algorithm is implemented to prevent interpenetration among elements and surfaces. Hybrid tubes are quasi-statically crushed and force– displacement curves are extracted and analyzed. Originality/value – It is found that the introduction of oblique compressions has induced bending moments and therefore decreases the energy absorption capability. Varying fiber orientations also insignificantly changed the crushing performances. However, wrapping carbon/epoxy composite that is capable of strengthening the tubes, is also subjected to oblique compression compared with the glass/epoxy composites.
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spelling uthm-34052021-11-17T03:47:31Z http://eprints.uthm.edu.my/3405/ Numerical simulation of hybrid composite tubes under oblique compression Ismail, Al Emran Nezere, N. TK1001-1841 Production of electric energy or power. Powerplants. Central stations Purpose – An energy-absorbing device is an important tool that is capable of increasing the survivability of passengers in vehicles. Generally, empty metallic tubes are used, and it is found that the energy absorption capability is lower than the energy obtained using composite materials. Therefore, this paper numerically presents the crushing performances of hybrid tubes under axial and oblique compressions. Design/methodology/approach – Three important parameters are used such as fiber thicknesses, fiber orientations and oblique compression angles. Epoxy-reinforced fibers are wrapped around the steel tubes and it is then modeled numerically using the ANSYS finite element program. Belytscho – Tsay shell element is used to model the composites, while a bilinear kinematic hardening model is used to model the steel tube. A proper contact algorithm is implemented to prevent interpenetration among elements and surfaces. Findings – A proper contact algorithm is implemented to prevent interpenetration among elements and surfaces. Hybrid tubes are quasi-statically crushed and force– displacement curves are extracted and analyzed. Originality/value – It is found that the introduction of oblique compressions has induced bending moments and therefore decreases the energy absorption capability. Varying fiber orientations also insignificantly changed the crushing performances. However, wrapping carbon/epoxy composite that is capable of strengthening the tubes, is also subjected to oblique compression compared with the glass/epoxy composites. Emerald Insight 2017 Article PeerReviewed text en http://eprints.uthm.edu.my/3405/1/AJ%202017%20%2833%29%20Numerical%20simulation%20of%20hybrid%20composite.pdf Ismail, Al Emran and Nezere, N. (2017) Numerical simulation of hybrid composite tubes under oblique compression. World Journal of Engineering, 14 (2). pp. 173-177. ISSN 1708-5284 http://dx.doi.org/10.1108/WJE-06-2016-0007
spellingShingle TK1001-1841 Production of electric energy or power. Powerplants. Central stations
Ismail, Al Emran
Nezere, N.
Numerical simulation of hybrid composite tubes under oblique compression
title Numerical simulation of hybrid composite tubes under oblique compression
title_full Numerical simulation of hybrid composite tubes under oblique compression
title_fullStr Numerical simulation of hybrid composite tubes under oblique compression
title_full_unstemmed Numerical simulation of hybrid composite tubes under oblique compression
title_short Numerical simulation of hybrid composite tubes under oblique compression
title_sort numerical simulation of hybrid composite tubes under oblique compression
topic TK1001-1841 Production of electric energy or power. Powerplants. Central stations
url http://eprints.uthm.edu.my/3405/
http://eprints.uthm.edu.my/3405/
http://eprints.uthm.edu.my/3405/1/AJ%202017%20%2833%29%20Numerical%20simulation%20of%20hybrid%20composite.pdf